FIND IT! ROCKS

Clue #3

Where is it?

August 02, 2007

About 120 years ago, snowmelt flooded a mine in this Illinois town, killing more than 70 men and boys in one of the state's worst mining disasters. Only a couple dozen bodies were recovered; most are still entombed in the shafts beneath this quiet community.

Today, the mine is closed and the only evidence of this area's once-dominant industry is a historic marker commemorating the disaster and listing the names of the miners--some barely teenagers--who lost their lives.

Where is this marker and what rock were the disaster victims mining?

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FIND IT! ROCKS

Like the gorgeous summer weather, At Play's "Find It!" contest will be gone before you know it. So get in on the fun. If you can figure out our tough clues, you can pick up some great prizes.

How it works: Read the clue and examine the accompanying photo (page 1 this week).

Then, when you think you know which destination and related rock we're using, send your entry to us. To enter, you can either e-mail atplay@tribune.com with your name, age, address, telephone number, e-mail address, your answer to the destination/rock clue, and the date the clue ran in the Chicago Tribune; or mail your entry to At Play-Find It!, Chicago Tribune, 435 N. Michigan Ave., Chicago, IL 60611. Make sure we receive your entry by noon on the first Monday after the destination/rock clue was printed in At Play. Limit one entry per person per clue, and make sure you clearly mark "FIND IT" on the envelope or subject line of your e-mail. Each week, we will randomly draw 10 names from the correct answers received by the deadline; those entrants will receive a Find It! T-shirt.

Send us a photo: For more fun, visit the destination and e-mail us a digital photo of yourself at that site -- attach it to your e-mailed contest entry, and include the names of everyone in the picture. We'll post the best photos on chicagotribune.com. (Photos do not increase your chances of winning prizes.)

Grand prize: Anyone who correctly guesses any of the three clues (and gets the answer to us on time) will be entered into a drawing for a two-night stay for two at the Hard Rock Hotel. If you answer all three clues correctly, you get three chances to win.

ELIGIBILITY: You must be 18 years or older at time of entry and a legal Illinois resident. Employees of Chicago Tribune Company or its parent, subsidiaries, affiliates, advertising and promotion agencies, partners, attorneys and each of employee's immediate family or household members are not eligible. Void where prohibited. All federal, state and local laws apply.

HOW TO ENTER: You can either (1) e-mail atplay@tribune.com with your name, age, address, telephone number, e-mail address, your answer to the destination/rock clue, and the date the clue ran in the Chicago Tribune; or (2) mail your entry to At Play-Find It!, Chicago Tribune, 435 N. Michigan Ave., Chicago, IL 60611. All entries must be received by 12 p.m. on the first Monday after the destination/rock clue was printed in the Chicago Tribune. Limit one entry per person per clue. FOR COMPLETE RULES AND PRIZE DETAILS, GO TO chicagotribune.com/findit.

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Were you right? Our second clue was an old-style theater. See which one on PAGE 5